The aperture size is the diameter of the telescope’s lens. Celestron’s aperture sizes range from three to 11 inches in diameter. The larger it is, the sharper the image. This is especially ...

The Celestron SkyMaster Pro 20x80 makes an attractive alternative to a telescope, with a large aperture, excellent optics and interchangeable eyecups making them a high-end choice. With superb ...

the Celestron 114LCM Computerized Telescope offers exquisite optics as well as the ability to scan the cosmos at the touch of a button. The 4.5-inch (114 mm) aperture is great for picking out ...

Overall, this telescope is a great choice for beginning your celestial journey. It's affordable, lightweight and easy to navigate — and Celestron goes the extra mile to assist in your ...

With the telescope assembled, I couldn’t help but be struck by its quality and elegance. It features a carbon-fiber tube; multicoated, high-transmission optics (what Celestron calls “Edge HD ...

The Celestron Travel Scope 60, a powerful telescope that's ideal for travel ... In the box, you'll find two eyepieces (20mm and 8mm), a 3x Barlow lens, and Starry Night astronomy software for ...

For the upper weight class of binoculars like the Celestron Skymaster ... A 2-inch telescope will have a primary or “objective” lens with an aperture of about 3 square inches.

But you can be prepared for the next celestial show (and save some money) thanks to Amazon’s current deals on Celestron telescopes ... like a telephoto camera lens in that light moves through ...

The Celestron 5-Inch telescope. When mounted on the open observing deck ... with through-the-eyepiece finder with flip-in solar filter, built-in 2X barlow lens, sliding light shade, and three-leg ...

We independently review everything we recommend. We may make money from the links on our site. Learn more› By James Austin, Signe Brewster and Colin Rosemont After further testing, we’ve added ...